<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.DriverManager" %>
<%@ page import="java.sql.PreparedStatement" %><%--
  Created by IntelliJ IDEA.
  User: 了
  Date: 2020/10/16
  Time: 15:28
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
    Class.forName("com.mysql.jdbc.Drive");

    String url = "jdbc:mysql://localhost:3306/book";
    Connection connection = DriverManager.getConnection(url,"root","root");

    String sql = "delete * from user where id =?";
    PreparedStatement ps = connection.prepareStatement(sql);

    int id = Integer.parseInt(request.getParameter("id"));

    ps.setInt(1,id);

    int count = ps.executeUpdate();

    if(count>0){
        out.print("删除成功");
    }else {
        out.print("删除失败");
    }
%>
